2021
DOI: 10.1017/s0952523821000031
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Retinal microglia polarization in diabetic retinopathy

Abstract: Microglia, the main immune cell of the central nervous system (CNS), categorized into M1-like phenotype and M2-like phenotype, play important roles in phagocytosis, cell migration, antigen presentation, and cytokine production. As a part of CNS, retinal microglial cells (RMC) play an important role in retinal diseases. Diabetic retinopathy (DR) is one of the most common complications of diabetes. Recent studies have demonstrated that DR is not only a microvascular disease but also retinal neurodegeneration. RM… Show more

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Cited by 21 publications
(18 citation statements)
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References 89 publications
(85 reference statements)
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“…This could imply that the phagocytic amoeboid morphotype is more actively involved in later stages of clinical DR, however, further validation and a greater sample size is necessary. In terms of microglia-associated factors, there have been reports showing early changes in expression of CD11b, C1r, IL-1β, IL-6, and TNF-α, in the context of DR-associated pathologies e.g., vascular permeability, neuronal function, and neovascularisation ( Rangasamy et al, 2014 ; Karlstetter et al, 2015 ; Madeira et al, 2015 ; Kinuthia et al, 2020 ; Li et al, 2021 ; Xie et al, 2021 ; Yun, 2021 ). Such changes in expression have also been correlated with amoeboid and activated microglia, microglial ‘activation’, apoptosis, and phagocytosis ( Rangasamy et al, 2014 ; Karlstetter et al, 2015 ; Madeira et al, 2015 ; Kinuthia et al, 2020 ; Li et al, 2021 ; Xie et al, 2021 ; Yun, 2021 ).…”
Section: Retinal Microglia In Degenerative Eye Diseasesmentioning
confidence: 99%
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“…This could imply that the phagocytic amoeboid morphotype is more actively involved in later stages of clinical DR, however, further validation and a greater sample size is necessary. In terms of microglia-associated factors, there have been reports showing early changes in expression of CD11b, C1r, IL-1β, IL-6, and TNF-α, in the context of DR-associated pathologies e.g., vascular permeability, neuronal function, and neovascularisation ( Rangasamy et al, 2014 ; Karlstetter et al, 2015 ; Madeira et al, 2015 ; Kinuthia et al, 2020 ; Li et al, 2021 ; Xie et al, 2021 ; Yun, 2021 ). Such changes in expression have also been correlated with amoeboid and activated microglia, microglial ‘activation’, apoptosis, and phagocytosis ( Rangasamy et al, 2014 ; Karlstetter et al, 2015 ; Madeira et al, 2015 ; Kinuthia et al, 2020 ; Li et al, 2021 ; Xie et al, 2021 ; Yun, 2021 ).…”
Section: Retinal Microglia In Degenerative Eye Diseasesmentioning
confidence: 99%
“…In terms of microglia-associated factors, there have been reports showing early changes in expression of CD11b, C1r, IL-1β, IL-6, and TNF-α, in the context of DR-associated pathologies e.g., vascular permeability, neuronal function, and neovascularisation ( Rangasamy et al, 2014 ; Karlstetter et al, 2015 ; Madeira et al, 2015 ; Kinuthia et al, 2020 ; Li et al, 2021 ; Xie et al, 2021 ; Yun, 2021 ). Such changes in expression have also been correlated with amoeboid and activated microglia, microglial ‘activation’, apoptosis, and phagocytosis ( Rangasamy et al, 2014 ; Karlstetter et al, 2015 ; Madeira et al, 2015 ; Kinuthia et al, 2020 ; Li et al, 2021 ; Xie et al, 2021 ; Yun, 2021 ). Primary retinal cell cultures subjected to hypoxic conditions (as a model of DR), show increased levels of C1r, a marker of phagocytosis, and CD11b, a marker of microglial activation, by 135.5 and 170%, respectively, compared to normoxic conditions ( Xie et al, 2021 ).…”
Section: Retinal Microglia In Degenerative Eye Diseasesmentioning
confidence: 99%
“…Нельзя оставить без внимания повреждающее влияние матриксных металлопротеиназ на базальную мембрану микрососудов, что приводит к повышению сосудистой проницаемости и усилению миграции лейкоцитов через нарушенный гематоофтальмический барьер [11]. Последний феномен приводит к потенцированию хронического вялотекущего воспаления и поддерживает активацию микроглии [5].…”
Section: материл и методы исследованияunclassified
“…Хроническая гипергликемия при СД вызывает нарушение гомеостаза в сетчатке, что приводит к избыточной активации и нарушению нормального функционирования различных клеточных элементов, в том числе и микроглии -резидентных тканевых макрофагов нервной ткани и важных факторов врожденного иммунитета [5]. В физиологических условиях основной функцией этих клеток является удаление продуктов жизнедеятельности нервных клеток.…”
unclassified
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